Antarctic Ridge (IMAGE) European Geosciences Union Caption Antarctica is the highest continent on Earth, with an average elevation of about 2,500m. It is peppered with many mountains and ridges. Credit Tarun Luthra, distributed via imaggeo.egu.eu Usage Restrictions This image is distributed under a CC-BY-SA license License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.